Prisna WP Translate: The latest and most modern automatic translation plugin. It comes with a user friendly interface, but it's powerful enough to create highly customized translation setups.
There are 4 ready made sizes to choose from to perfectly integrate in your template's design. Plus you can use the unlimited color options to better adjust the design.
It comes with a very intuitive, easy to use admin interface. There are simple options like selecting the available languages and show/hide flags; and advanced options such as JavaScript callbacks.
You can increase your traffic and become more popular in different tongues, since cached translations can be indexed by search engines with just a couple of clicks.
Place the translator in a widget, or even in the case your template doesn't have a widget area in your desired location, you can use the advanced positioning features to display the translator exactly where you want.